Origin
Italy, China
USA, Southern and central Africa, China, India, Italy
Color
Colorless, White, Blue, gray
White, Yellow
Streak
White
-
For which Rashi?
-
Gemini
Planet
-
Saturn
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.092.44-2.62
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
Perfect on {100} and {010}, imperfect on {101}
Indiscernible
Mohs Hardness
82.5-5.5
2
10
👆🏻
Chemical Composition
CaAl2Si2O7(OH)2.H2O
H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Greasy
Vitreous, Greasy, Silky
Pleochroism
Weak
-
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.672-1.6761.560-1.571
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.019-0.0210.008-0.014
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
-
Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
-
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
-
Protection